WO2010121970A1 - Rotierende elektrische maschine, insbesondere doppelt gespeiste asynchronmaschine im leistungsbereich zwischen 20 mva und über 500 mva - Google Patents
Rotierende elektrische maschine, insbesondere doppelt gespeiste asynchronmaschine im leistungsbereich zwischen 20 mva und über 500 mva Download PDFInfo
- Publication number
- WO2010121970A1 WO2010121970A1 PCT/EP2010/055055 EP2010055055W WO2010121970A1 WO 2010121970 A1 WO2010121970 A1 WO 2010121970A1 EP 2010055055 W EP2010055055 W EP 2010055055W WO 2010121970 A1 WO2010121970 A1 WO 2010121970A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure plate
- rotor
- electric machine
- rotary electric
- machine according
- Prior art date
Links
- 238000004804 winding Methods 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 3
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 210000000078 claw Anatomy 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
- G08C19/18—Electric signal transmission systems in which transmission is by pulses using a variable number of pulses in a train
- G08C19/20—Electric signal transmission systems in which transmission is by pulses using a variable number of pulses in a train operating on dynamo-electric devices, e.g. step motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/26—Rotor cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Definitions
- the present invention relates to the field of generating electrical energy. It relates to a rotary electric machine, in particular double-fed asynchronous machine in a power range between 20 MVA and 500 MVA or above, according to the preamble of claim 1.
- Double-fed asynchronous machines in the power range from 20 MVA to 500 MVA or above can be used for variable-speed energy production. These machines are characterized by a distributed three-phase winding on the rotor.
- the rotor winding consists of individual rods, which in the Rotor laminated core are embedded in grooves. In the winding head, the individual rods are connected to form a winding.
- the infeed of the streams takes place via at least three slip rings, which are fastened to the shaft at the end of the machine.
- FIG. 1 A section of such a machine is shown in FIG. 1 in a greatly simplified form.
- the asynchronous machine shown in Fig. 1 The asynchronous machine shown in Fig. 1
- the rotor laminated body 14 is concentrically surrounded by a laminated stator core 15, in which a stator winding is housed, which projects at the end of the body with a Statorwickelkopf 17 to the outside.
- the rotor laminated body 14 is reproduced enlarged in Fig. 2 in the neck.
- the rotor laminated core serves to absorb these forces and at the same time defines the path of the magnetic flux.
- the Hilfsrim 20 serves to receive the centrifugal forces acting on the rotor winding head 16.
- the Hilfsrim 20, as well as the rotor plate body 14, consist of layered sheets, which are pressed in the axial direction to form a composite. It is known here to use a press plate 19 which distributes the pressing pressure applied by bolts 21, 22 to the laminations of the rotor lamination stack (see, for example, DE-A1-195 13 457 or DE-A1-10 2007 000 668).
- FIG. 2 shows the basic subdivision into an electrical area 14a and a mechanical area 14b.
- the rotor body 14 there should be enough axial pressure in the teeth between the layers of the sheets to guarantee the homogeneity of the body.
- the axial pressure should be higher than in the electrical region 14a in order to obtain a certain frictional force between the metal sheets.
- the pressure plate is divided radially into a separate inner pressure plate and a separate outer pressure plate in accordance with the radial subdivision of the rotor plate body.
- a first embodiment of the invention is characterized in that the inner and outer pressure plate are detachably connected to each other. As a result, the centrifugal forces acting on the outer pressure plate can be effectively absorbed.
- Another embodiment is characterized in that the inner and outer pressure plate are adjacent to each other and connected to each other, that the outer pressure plate can be tilted relative to the inner pressure plate.
- the outer pressure plate is divided along the circumference into individual similar peripheral parts, when the peripheral parts of the outer pressure plate each with a straight tilting edge adjacent to the inner pressure plate, and if the peripheral parts of the outer pressure plate respectively into the inner pressure plate are hung.
- the peripheral parts of the outer pressure plate may each be hung by means of hammer claws in the inner pressure plate.
- a further embodiment of the invention is characterized in that the inner pressure plate has first holes through which pass first bolts for pressing the rotor body in the mechanical range, and that the outer pressure plate has second holes through which second bolts for pressing the rotor body in the electrical field through rich.
- first pin as a shear pin and the second pin are designed as tension bolts.
- FIG. 1 in a highly simplified representation of a section of a
- Rotor laminated body of the machine of Fig. 1 including a for clamping the rotor body used press plate;
- Fig. 3 in plan view in the axial direction of a sector of a press plate for bracing the rotor body according to an embodiment of the invention.
- the axial pressure should be higher than in the electrical part in order to obtain a certain frictional force between the sheets.
- Fig. 3 shows a schematic representation of an embodiment of the pressing plate 19 in plan view in the axial direction.
- the pressure plate 19 is divided into a separate inner pressure plate 23 and a separate outer pressure plate 24 both in the radial direction and partially in the circumferential direction.
- the inner pressure plate 23 may be solid or composed of a plurality of thin plates according to a complementary embodiment. It has proved to be particularly advantageous, the thin sheets individually or in groups in the circumferential direction to each other to arrange staggered. Such a blending of the inner pressure plate 23 forms a self-supporting ring, whereby the forces on the shear pins can be significantly reduced.
- the outer pressing plate 24 is in turn divided circumferentially into individual peripheral parts 24a-d, which are preferably made of a non-magnetic steel.
- the separation between the outer and inner pressure plates 23 and 24 must have a straight tilting edge 29. Due to the radial separation of the pressure plate 19, it is possible to achieve different pressures in the electrical and mechanical region 14a and 14b of the rotor lamination body 14. In order to secure the outer pressure plate 24 against centrifugal forces, it is mounted as shown in FIG. 3 via hammer claws 26 in the inner pressure plate 23.
- the tension bolts 21 extend through the holes 27 in the pressure plate 19 over the entire axial length of the rotor plate body 14. Since the tension bolts 21 are in the magnetically active part (high magnetic induction) of the sheet metal body, they must be electrically insulated. However, in order to avoid a mechanical stress on the insulation, these bolts can not be subjected to shearing. By means of the tension in the bolt, the pressure on the outer pressure plate 24 and thus the pressure in the teeth can be "adjusted". Instead of continuous draw bolt 21 but also pressure pin in Hilfsrim 20 can be used. If a pressure pin is used in the auxiliary rim 20, the pressure is transmitted to the tooth region of the rotor laminating body 14. Between the pressure pin and the pressure plate 19 there is a pressure plate and a nut. Through the screwing of the
- the shear pins 22 take on two tasks. On the one hand, they serve to apply the axial pressure in the mechanical region 14b of the
- Rotor plate body 14 On the other hand, they must absorb the shear forces occurring between the sheets. For this reason, the bolts can not be insulated and are consequently located on the inner edge, in the magnetically weak part of the rotor body 14.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2011147709/07A RU2539569C2 (ru) | 2009-04-24 | 2010-04-16 | Вращающаяся электрическая машина, в частности асинхронная машина двойного питания, предназначенная для работы в диапазоне мощности от 20 мва до 500 мва и выше |
CA2759270A CA2759270C (en) | 2009-04-24 | 2010-04-16 | Rotating electric machine, in particular double-fed asynchronous machine in the performance range between 20 mva and more than 500 mva |
SI201031065T SI2422427T1 (sl) | 2009-04-24 | 2010-04-16 | Rotacijski električni stroj, še posebej dvojno napajan asinhronski stroj, v območju moči med 20 MVA in preko 500 MVA |
ES10714272.1T ES2553633T3 (es) | 2009-04-24 | 2010-04-16 | Máquina eléctrica rotativa, especialmente máquina asíncrona doblemente alimentada en el intervalo de potencia entre 20 MVA y más de 500 MVA |
CN201080017516.7A CN102405581B (zh) | 2009-04-24 | 2010-04-16 | 旋转电机,特别是功率范围在20mva和大于500mva之间的双馈异步电机 |
EP10714272.1A EP2422427B1 (de) | 2009-04-24 | 2010-04-16 | Rotierende elektrische maschine, insbesondere doppelt gespeiste asynchronmaschine im leistungsbereich zwischen 20 mva und über 500 mva |
BRPI1014875A BRPI1014875B1 (pt) | 2009-04-24 | 2010-04-16 | motor elétrico rotativo, especialmente motor assincrônico com dupla alimentação, na faixa de desempenho entre 20 mva e mais do que 500 mva |
US13/275,416 US8569923B2 (en) | 2009-04-24 | 2011-10-18 | Rotating electric machine with interlocking inner and outer press plates |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009018549.6 | 2009-04-24 | ||
DE102009018549 | 2009-04-24 | ||
DE102009037987.8 | 2009-08-20 | ||
DE102009037987A DE102009037987A1 (de) | 2009-08-20 | 2009-08-20 | Rotierende elektrische Maschine, insbesondere doppelt gespeiste Asynchronmaschine im Leistungsbereich zwischen 20 MVA und über 500 MVA |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/275,416 Continuation US8569923B2 (en) | 2009-04-24 | 2011-10-18 | Rotating electric machine with interlocking inner and outer press plates |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010121970A1 true WO2010121970A1 (de) | 2010-10-28 |
Family
ID=42315366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/055055 WO2010121970A1 (de) | 2009-04-24 | 2010-04-16 | Rotierende elektrische maschine, insbesondere doppelt gespeiste asynchronmaschine im leistungsbereich zwischen 20 mva und über 500 mva |
Country Status (11)
Country | Link |
---|---|
US (1) | US8569923B2 (de) |
EP (1) | EP2422427B1 (de) |
KR (1) | KR101598381B1 (de) |
CN (1) | CN102405581B (de) |
BR (1) | BRPI1014875B1 (de) |
CA (1) | CA2759270C (de) |
ES (1) | ES2553633T3 (de) |
PT (1) | PT2422427E (de) |
RU (1) | RU2539569C2 (de) |
SI (1) | SI2422427T1 (de) |
WO (1) | WO2010121970A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130249345A1 (en) * | 2012-03-22 | 2013-09-26 | GM Global Technology Operations LLC | Segmented rotor in a rotor assembly |
CN108155730B (zh) * | 2016-12-06 | 2022-02-25 | 松下电器产业株式会社 | 铁芯和电机 |
CN112003395A (zh) * | 2019-09-02 | 2020-11-27 | 青岛中加特电气股份有限公司 | 永磁变频一体式电机 |
Citations (6)
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US725773A (en) * | 1901-10-18 | 1903-04-21 | Gen Electric | Rotating-field magnet for alternating-current generators. |
JPS57138830A (en) * | 1981-02-18 | 1982-08-27 | Toshiba Corp | Rotor of rotary electric machine |
DE3907860A1 (de) * | 1988-05-30 | 1989-12-07 | Mitsubishi Electric Corp | Laeufer fuer rotierende elektrische maschinen |
EP0414129A2 (de) * | 1989-08-16 | 1991-02-27 | Hitachi, Ltd. | Elektrische Drehmaschine, Verfahren zur Herstellung derselben und diese Maschine enthaltende, hydroelektrische Leistungsanlage |
DE19513457A1 (de) | 1995-04-08 | 1996-10-10 | Abb Management Ag | Rotor einer elektrischen Maschine |
DE102007000668A1 (de) | 2007-11-08 | 2009-05-14 | Alstom Technology Ltd. | Rotor einer elektrischen Maschine |
Family Cites Families (23)
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DE701612C (de) | 1937-08-20 | 1941-01-20 | Siemens Schuckertwerke Akt Ges | Spulenkopfbefestigung fuer Laeuferwicklungen elektrischer Maschinen |
US2519219A (en) | 1947-08-21 | 1950-08-15 | Westinghouse Electric Corp | Rotor construction for induction motors |
DE1090749B (de) | 1958-09-22 | 1960-10-13 | Siemens Ag | Asynchronmaschine in Turbobauart, insbesondere Asynchronmaschine grosser Leistung mit geringer Polzahl |
FR1252659A (fr) | 1959-12-03 | 1961-02-03 | Acec | Plateau de serrage de tôles de stator |
DE1141020B (de) | 1960-07-28 | 1962-12-13 | Licentia Gmbh | Walzenfoermiger Laeufer fuer Synchronmaschinen hoher Drehzahl |
DE1178143B (de) | 1961-02-15 | 1964-09-17 | Oerlikon Maschf | Pressplattensegmente fuer Blechpakete elektrischer Maschinen |
DE1196779B (de) | 1962-09-28 | 1965-07-15 | Allis Chalmers Mfg Co | Verspannung der Einzelbleche ausgepraegter Pole fuer das Polrad elektrischer Maschinen |
DE1161637B (de) | 1963-03-07 | 1964-01-23 | Licentia Gmbh | Schichtpolrad fuer elektrische Maschinen |
DE1184411B (de) | 1963-11-28 | 1964-12-31 | Licentia Gmbh | Befestigung der ausgepraegten Pole am Laeufer elektrischer Maschinen an einem kammartig mit Rillen versehenen Jochring |
US3335308A (en) | 1964-05-05 | 1967-08-08 | Westinghouse Electric Corp | Dynamoelectric machine having means for reducing torque and inrush current |
DE1563007A1 (de) | 1966-08-04 | 1970-04-23 | Siemens Ag | Zweipoliger Induktor fuer elektrische Maschinen |
DE2856853C3 (de) | 1978-12-30 | 1981-08-13 | Brown, Boveri & Cie Ag, 6800 Mannheim | Arbeitsverfahren zur Herstellung eines Schichtpolläufers einer elektrischen Maschine und Vorrichtung zur Durchführung dieses Verfahrens |
FR2524220A1 (fr) * | 1982-03-26 | 1983-09-30 | Alsthom Atlantique | Rotor a jante feuilletee segmentee et poles rapportes pour machine electrique |
JPS6035931A (ja) | 1983-08-09 | 1985-02-23 | Hitachi Ltd | 突極形回転子 |
JPS6158439A (ja) | 1984-08-27 | 1986-03-25 | Hitachi Ltd | 突極形回転子 |
US5068564A (en) | 1990-10-29 | 1991-11-26 | General Electric Company | End retainer ring assembly for rotary electrical devices |
US5473213A (en) | 1993-04-06 | 1995-12-05 | Sundstrand Corporation | Sew through eciter armature with integral banding rings |
US5816761A (en) | 1996-01-11 | 1998-10-06 | The Boeing Company | Lightweight structural blind fastener |
PL330226A1 (en) * | 1996-05-29 | 1999-05-10 | Asea Brown Boveri | Rotary electric machine and method of cooling same |
US6157109A (en) | 1998-02-10 | 2000-12-05 | Reliance Electric Technologies, Llc | Dynamoelectric machine with ferromagnetic end winding ring |
JPH11266555A (ja) | 1998-03-16 | 1999-09-28 | Toshiba Corp | 回転電機の回転子 |
WO2002010597A1 (en) | 2000-07-28 | 2002-02-07 | Ozawa, Junzo | Fastening implement |
DE102008016890A1 (de) | 2008-04-02 | 2009-04-30 | Siemens Aktiengesellschaft | Rotor mit Endscheibe für dynamoelektrische Maschine |
-
2010
- 2010-04-16 EP EP10714272.1A patent/EP2422427B1/de active Active
- 2010-04-16 CN CN201080017516.7A patent/CN102405581B/zh active Active
- 2010-04-16 RU RU2011147709/07A patent/RU2539569C2/ru active
- 2010-04-16 BR BRPI1014875A patent/BRPI1014875B1/pt not_active IP Right Cessation
- 2010-04-16 SI SI201031065T patent/SI2422427T1/sl unknown
- 2010-04-16 ES ES10714272.1T patent/ES2553633T3/es active Active
- 2010-04-16 WO PCT/EP2010/055055 patent/WO2010121970A1/de active Application Filing
- 2010-04-16 CA CA2759270A patent/CA2759270C/en active Active
- 2010-04-16 KR KR1020117025015A patent/KR101598381B1/ko active IP Right Grant
- 2010-04-16 PT PT107142721T patent/PT2422427E/pt unknown
-
2011
- 2011-10-18 US US13/275,416 patent/US8569923B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US725773A (en) * | 1901-10-18 | 1903-04-21 | Gen Electric | Rotating-field magnet for alternating-current generators. |
JPS57138830A (en) * | 1981-02-18 | 1982-08-27 | Toshiba Corp | Rotor of rotary electric machine |
DE3907860A1 (de) * | 1988-05-30 | 1989-12-07 | Mitsubishi Electric Corp | Laeufer fuer rotierende elektrische maschinen |
EP0414129A2 (de) * | 1989-08-16 | 1991-02-27 | Hitachi, Ltd. | Elektrische Drehmaschine, Verfahren zur Herstellung derselben und diese Maschine enthaltende, hydroelektrische Leistungsanlage |
DE19513457A1 (de) | 1995-04-08 | 1996-10-10 | Abb Management Ag | Rotor einer elektrischen Maschine |
DE102007000668A1 (de) | 2007-11-08 | 2009-05-14 | Alstom Technology Ltd. | Rotor einer elektrischen Maschine |
Also Published As
Publication number | Publication date |
---|---|
US8569923B2 (en) | 2013-10-29 |
RU2539569C2 (ru) | 2015-01-20 |
CN102405581A (zh) | 2012-04-04 |
US20120104896A1 (en) | 2012-05-03 |
CA2759270A1 (en) | 2010-10-28 |
ES2553633T3 (es) | 2015-12-10 |
RU2011147709A (ru) | 2013-05-27 |
EP2422427A1 (de) | 2012-02-29 |
BRPI1014875A2 (pt) | 2016-04-12 |
SI2422427T1 (sl) | 2016-01-29 |
KR101598381B1 (ko) | 2016-02-29 |
EP2422427B1 (de) | 2015-08-26 |
CN102405581B (zh) | 2017-05-24 |
PT2422427E (pt) | 2015-11-30 |
KR20120032464A (ko) | 2012-04-05 |
BRPI1014875B1 (pt) | 2019-09-10 |
CA2759270C (en) | 2016-06-21 |
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